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Networking Best Practices for Large Deployments

10 Networking Best Practices for Large Deployments Network ConfigurationThe following recommendations describe network configurations that will help

Network Action Checklist 11 If it’s not feasible to use a DNS resolver that’s close to the user, use a DNS server that supports the edns-client-subne

12 Networking Best Practices for Large Deployments MigrationGoogle Apps deployments can involve migration traffic, either from local clients like Go

13Chapter 5Network EvaluationChapter 5SummaryWhen planning for the implementation, you will achieve better results if you first understand your curren

14 Networking Best Practices for Large Deployments Below are the recommended steps to assess and test your network prior to deployment.• Conduct an

Network Evaluation 151. Open the sample list text file hosted on the apps-deployments code site. (Note that this is a sample only, not a complete list

16 Networking Best Practices for Large Deployments % iperf -sNote: WAN Bandwidth tests are intrusive and can affect network performance. Run these t

Network Evaluation 17Collect the following data for each environment, while using Google Apps services available in your domain. For instance, open Gm

18 Networking Best Practices for Large Deployments • Chrome on Windows 7Connections when entering URI: 1Connections during initial load: 3Connection

19Chapter 6Network ConfigurationChapter 6SummaryThis section includes details on how to optimize your network for Google Apps. This includes informati

2 Networking Best Practices for Large Deployments Google, Inc.1600 Amphitheatre ParkwayMountain View, CA 94043www.google.comPart number: NETBP_GAPPS_

20 Networking Best Practices for Large Deployments The second column in the result set is the TTL for the records in seconds. Based on these sample

Network Configuration 21Google ProtocolsGoogle Apps services are mostly web-based or API-based. The table below shows common Google Apps services, and

22 Networking Best Practices for Large Deployments Google+ HangoutsGoogle+ Hangouts attempts to establish a connection between a participant and a G

Network Configuration 23Traffic PrioritizationYou may be able to improve Google Apps performance with traffic prioritization, by giving Google Apps tr

24 Networking Best Practices for Large Deployments Network Routing Tools• A variety of useful tools are available to generate detailed data regardin

Network Configuration 25Content InspectionAvoid content inspection on your proxy server. When Google Apps is configured to run over HTTPS, which is co

26 Networking Best Practices for Large Deployments return "DIRECT";// All other URI requests should be routed through the proxy.elsereturn

Network Configuration 27A common means of blocking access to web services is using a web proxy server to filter traffic directed at particular URIs or

28 Networking Best Practices for Large Deployments Proxy Configuration ToolsDownload the following tools which may be helpful when configuring Proxy

Network Configuration 29DNS ResolutionThe diagram below shows a typical DNS resolution for a Google Apps user on an enterprise network.Google serves D

Contents 3ContentsChapter 3: Introduction... 5About This Guide..

30 Networking Best Practices for Large Deployments Using a centralized DNS server architecture will obscure the user making the request from Google’

Network Configuration 31Mail RoutingAfter you change your MX records to route mail traffic to Google Apps, your email is no longer delivered to your s

32 Networking Best Practices for Large Deployments

33Chapter 7Client ConfigurationChapter 7SummaryIt is important to understand the effects that different clients can have on the performance of Google

34 Networking Best Practices for Large Deployments For Google Apps, we support the latest version of Google Chrome (which automatically updates when

Client Configuration 35Google Apps Connector for BlackBerry Enterprise ServerUnlike Android and ActiveSync devices, BlackBerry Enterprise users do con

36 Networking Best Practices for Large Deployments The largest amount of traffic between Google Apps and the Google Apps Connector for BlackBerry En

Client Configuration 37If you plan to set up Single Sign-On authentication, consider the following suggestions:• Set up SSO servers in distributed net

38 Networking Best Practices for Large Deployments Single Sign-On for Selected Network LocationsIt is possible to create a conditional SSO system fo

Client Configuration 39Server-side MigrationYour migration servers should have a low-latency, high-bandwidth connection to your email server. Migratio

4 Networking Best Practices for Large Deployments Network Addressing and Protocols ...

40 Networking Best Practices for Large Deployments

41Chapter 8Network MonitoringChapter 8SummaryAfter your network is set up to work with Google Apps and your users are enabled, you can maintain the qu

42 Networking Best Practices for Large Deployments Network Packet CapturesA network packet capture can help you to discover problems that may negati

5Chapter 3IntroductionChapter 3About This GuideThis document discusses best practices for optimizing your large-scale IP network for Google Apps for B

6 Networking Best Practices for Large Deployments Level of EffortThe level of effort needed to implement the recommendations in this guide will depe

Introduction 7Related DocumentationFor additional information and background about network best practices and related topics, refer to the following r

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9Chapter 4Network Action ChecklistChapter 4About This ChecklistThis section contains a summary checklist of all action items in this guide. If you don